Table 1 Roughness of each ceramic in its as-glazed, ground and polished state
Ground | Polished | |||||||
|---|---|---|---|---|---|---|---|---|
Group | Ceramic | Glazed | Coarse | Medium | Fine | Coarse | Medium | Fine |
1 | Y-TZP only glazed | 4.31±1.93 | 12.57±4.40 | 5.53±2.06 | 3.76±1.02 | 3.35±0.82 | 2.96±0.59 | 2.41±0.51 |
2 | Y-TZP/veneered with VM9 | 7.23±2.71 | 24.13±4.53 | 15.03±2.38 | 13.51±2.55 | 12.17±2.50 | 10.24±2.02 | 8.10±1.99 |